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EWG's Tap Water Database — 2021 UPDATE

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Styrene

Hunters Creek Mobile Home Park

Styrene is a volatile cancer-causing chemical used for manufacturing Styrofoam (polystyrene) and other plastics. Releases from industrial production sites and hazardous waste landfills cause styrene contamination in drinking water. Read More.

In addition to increasing the risk of cancer, styrene can also damage the liver and the nervous system. California set a public health goal for styrene in drinking water at 0.5 parts per billion. The federal Maximum Contaminant Level (MCL) allows up to 100 parts per billion of styrene in water, which is 200 times more than the California recommended level.

Click here to read more about carcinogenic VOCs.

 

77

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND120ND
2016ND120ND
2017ND170ND
2018ND120ND
2019ND120ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for styrene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for styrene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s. This limit may not fully protect against the risk of cancer due to styrene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-04480-55466-2ND
2014-03-04480-55466-1ND
2014-03-14480-55466-3ND
2014-06-24480-62563-3ND
2014-06-24480-62563-2ND
2014-06-24480-62563-1ND
2014-09-16480-67414-1ND
2014-09-16480-67414-3ND
2014-09-19480-67414-2ND
2014-12-16480-73115-1ND
2014-12-16480-73115-3ND
2014-12-16480-73115-2ND
2015-03-23480-77293ND
2015-03-23480-77293-PH3ND
2015-03-26480-77293-2ND
2015-06-30480-83178-1ND
2015-06-30480-83178-3ND
2015-06-30480-83178-2ND
2015-09-29480-88161-3ND
2015-09-29480-88161-1ND
2015-09-29480-88161-2ND
2015-12-15480-92818-1ND
2015-12-15480-92818-3ND
2015-12-15480-92818-2ND
2016-01-22480-94302-2ND
2016-01-22480-94302-3ND
2016-01-22480-94302-1ND
2016-04-22480-98923-3ND
2016-04-22480-98923-2ND
2016-04-22480-98923-1ND
2016-08-31480-105292-6ND
2016-08-31480-105292-4ND
2016-08-31408-105292-5ND
2016-12-05480-110556-4ND
2016-12-05480-110556-6ND
2016-12-05480-110556-5ND
2017-01-2417P001308ND
2017-01-2417P001307ND
2017-03-14480-114642-2ND
2017-03-14480-114642-3ND
2017-03-14480-114642-4ND
2017-05-09480-117785-4ND
2017-05-09480-117785-3-POCND
2017-05-09480-117785-2-POCND
2017-07-14480-121322-1ND
2017-07-14480-121322-2ND
2017-08-11480-122658-6ND
2017-08-11480-122658-5ND
2017-08-11480-122658-4ND
2017-11-14480-127606-3ND
2017-11-14480-127606-1ND
2017-11-14480-127606-2ND
2017-12-14480-129082-1ND
2018-03-31480-133960-1ND
2018-03-31480-133960-3ND
2018-03-31480-133960-2ND
2018-06-26D8F2922-0ND
2018-06-26D8F2922-02ND
2018-06-26D8F2922-01ND
2018-09-278092385-04ND
2018-09-278092385-05ND
2018-09-278092385-06ND
2018-11-15480-145462-3ND
2018-11-15480-145462-4ND
2018-11-15480-145462-5ND
2019-03-229033240-02ND
2019-03-229033240-03ND
2019-03-229033240-01ND
2019-05-01R1903905-004ND
2019-05-01R1903905-005ND
2019-05-01R1903905-003ND
2019-08-12EHS1900040580-SRND
2019-08-12EHS1900040581-SRND
2019-08-143052462004ND
2019-12-313078958003ND
2019-12-313078958001ND
2019-12-313078958006ND